diff --git a/arch/arm/src/stm32f7/chip/stm32f74xx75xx_rcc.h b/arch/arm/src/stm32f7/chip/stm32f74xx75xx_rcc.h
index 70c9a2a5aa7..f7bf4d122c1 100644
--- a/arch/arm/src/stm32f7/chip/stm32f74xx75xx_rcc.h
+++ b/arch/arm/src/stm32f7/chip/stm32f74xx75xx_rcc.h
@@ -580,7 +580,7 @@
 #  define RCC_PLLI2SCFGR_PLLI2SQ(n)  ((uint32_t)(n) << RCC_PLLI2SCFGR_PLLI2SQ_SHIFT)
 #define RCC_PLLI2SCFGR_PLLI2SR_SHIFT (28)      /* Bits 28-30: PLLI2S division factor for I2S clocks */
 #define RCC_PLLI2SCFGR_PLLI2SR_MASK  (7 << RCC_PLLI2SCFGR_PLLI2SR_SHIFT)
-#  define RCC_PLLI2SCFGR_PLLI2SR(n)  (uint32_t)(n) << RCC_PLLI2SCFGR_PLLI2SR_SHIFT)
+#  define RCC_PLLI2SCFGR_PLLI2SR(n)  ((uint32_t)(n) << RCC_PLLI2SCFGR_PLLI2SR_SHIFT)
 
 /* PLLSAI configuration register */
 
diff --git a/arch/arm/src/stm32f7/chip/stm32f76xx77xx_rcc.h b/arch/arm/src/stm32f7/chip/stm32f76xx77xx_rcc.h
index a1b9ed4e321..6c8a7840681 100644
--- a/arch/arm/src/stm32f7/chip/stm32f76xx77xx_rcc.h
+++ b/arch/arm/src/stm32f7/chip/stm32f76xx77xx_rcc.h
@@ -601,7 +601,7 @@
 #  define RCC_PLLI2SCFGR_PLLI2SQ(n)  ((uint32_t)(n) << RCC_PLLI2SCFGR_PLLI2SQ_SHIFT)
 #define RCC_PLLI2SCFGR_PLLI2SR_SHIFT (28)      /* Bits 28-30: PLLI2S division factor for I2S clocks */
 #define RCC_PLLI2SCFGR_PLLI2SR_MASK  (7 << RCC_PLLI2SCFGR_PLLI2SR_SHIFT)
-#  define RCC_PLLI2SCFGR_PLLI2SR(n)  (uint32_t)(n) << RCC_PLLI2SCFGR_PLLI2SR_SHIFT)
+#  define RCC_PLLI2SCFGR_PLLI2SR(n)  ((uint32_t)(n) << RCC_PLLI2SCFGR_PLLI2SR_SHIFT)
 
 /* PLLSAI configuration register */